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Air Pollution Variances within an Urban Area

CSEF · 2003 Earth Sciences/ Planetary Sciences/ Physical Environments

Neeraj R. Bhat · Corona Fundamental Intermediate School, Corona

Overview

Objectives/Goals To prove that air pollution levels in different areas of a city can vary widely. Methods/Materials An air particle collection device was constructed by taping an index card (on which was drawn a 100-square grid and was coated with petroleum jelly) to a large piece of cardboard, which, in turn, was planted in a box of modeling clay. Five such devices were exposed to the environment in different locations of Corona - near a freeway, an industrial zone, a suburban neighborhood, a park, and a control card in an unused room of my home. The number of air particles trapped on the card was counted after each 24-hour period. The process was repeated for 30 days. Results Air pollution levels, as measured by the number of air particles trapped on the collection card, were ranked as follows: 1. Freeway 2. Industrial Zone 3. Suburban Neighborhood 4. Park 5. Control Card Conclusions/Discussion Air pollution levels in different areas of a city can vary widely.

Summary statement

My project is a scientific investigation about variances in urban air pollution.

Help received

Dad cut the cardboard for the experiment with a sharp box-cutter knife and took me to Wal-Mart for developing the photographs. Mom provided transportation to the test locations on each trial date.

Competition history

  • CSEF 2003 Earth Sciences/ Planetary Sciences/ Physical Environments · Entry J0602

Resources

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